From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 2/6] ARM: dts: stm32f429: add LSI and LSE clocks Date: Fri, 30 Sep 2016 16:25:05 +0200 Message-ID: <1475245509-6487-3-git-send-email-gabriel.fernandez@st.com> References: <1475245509-6487-1-git-send-email-gabriel.fernandez@st.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1475245509-6487-1-git-send-email-gabriel.fernandez@st.com> Sender: linux-clk-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Russell King , Maxime Coquelin , Alexandre Torgue , Michael Turquette , Stephen Boyd Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, gabriel.fernandez@st.com, ludovic.barre@st.com, olivier.bideau@st.com, amelie.delaunay@st.com List-Id: devicetree@vger.kernel.org From: Gabriel Fernandez This patch adds lsi / lse oscillators. These clocks can be use by RTC clocks. The clock drivers needs to disable the power domain write protection using syscon / regmap to enable these clocks. Signed-off-by: Gabriel Fernandez --- arch/arm/boot/dts/stm32f429.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi index 35df462..0979fb6 100644 --- a/arch/arm/boot/dts/stm32f429.dtsi +++ b/arch/arm/boot/dts/stm32f429.dtsi @@ -55,6 +55,18 @@ compatible = "fixed-clock"; clock-frequency = <0>; }; + + clk-lse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + clk-lsi { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32000>; + }; }; soc { @@ -176,6 +188,11 @@ reg = <0x40013800 0x400>; }; + pwrcfg: power-config@40007000 { + compatible = "syscon"; + reg = <0x40007000 0x400>; + }; + pin-controller { #address-cells = <1>; #size-cells = <1>; @@ -330,6 +347,7 @@ compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; reg = <0x40023800 0x400>; clocks = <&clk_hse>; + st,syscfg = <&pwrcfg>; }; dma1: dma-controller@40026000 { -- 1.9.1